Re: [AMC-list] The 232/258 puzzle

[Wrambler <wrambler242@xxxxxxxxxxx>]

Oh, for soooth, there is indeed a crank fairy.
He does not like, heat rain and mudslides... expect that is why he hangs out and drops the 3258 parts here :)

We only have snow, ice and heat tape on our roofs to prevent ice dams and interior damage to our homes.Piece of cake for the crank fairy!

Mark Price
Morgantown, WV 26508
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
"I realize that death is inevitable.
I just don't want to be around when it happens!"

----- Original Message -----

> From: "Joe Fulton" <piper_pa20@xxxxxxxxxxx>
> To: "Rambler AMC, Nash, Jeep and family" <amc-list@xxxxxxxxxxxxxxxxx>
> Sent: Sunday, January 30, 2011 2:28:58 PM
> Subject: Re: [AMC-list] The 232/258 puzzle
> 
> Thanks Frank.  As I told Mark it is a 4772 crank and it turns out it
> is from the 
> 1976 232 which was in my Gremlin.  I was hoping since it was marked
> 258 (The 
> machine shop marked it.) that the crank fairy had left it in my parts
> stash.   
> Turns ouf, there was not crank fairy after all.
> 
> Joe Fulton
> 
> 
> 
> ----- Original Message ----
> From: Frank Swygert <farna@xxxxxxx>
> To: amc-list@xxxxxxxxxxxx
> Sent: Sun, January 30, 2011 11:23:23 AM
> Subject: Re: [AMC-list] The 232/258 puzzle
> 
> I have 9 232 crank casting numbers and 5 258 crank casting numbers.
> Send me/post 
> the number from yours and I'll see if it's on the list. My list was
> made from 
> various sources, but I still occasionally find a different number.
> 
> There are two different deck height 232s. 64-70 is short deck, 71-89
> tall deck 
> is about 1/8" taller. The tall deck 232 uses the 232 stroke crank and
> the same 
> length rods as a 199. There are only two rod lengths:
> 
> '64-'71:
> 199 - 6.125"
> 232 - 5.875"
> 
> '72-'06:
> 232 - 6.125"
> 242/4.0 - 6.125"
> 258/4.2 - 5.875"
> Piston pin height is the same on 199/232. 258 and 4.0L have different
> pin 
> heights from the 199/232 and each other. IIRC the early and late 232
> pin height 
> is the same, but dish size depends on year (head chamber size and
> compression).
> 
> The 199 uses a flat top piston to make up for compression loss due to
> reduced 
> stroke from the 232. 199 pistons are hard to find, but would add at
> least a full 
> point of compression to a 232... I seem to recall someone saying it
> would boost 
> compression to around 9.5:1.
> 
> 
> 
> ------------
> Date: Sun, 30 Jan 2011 10:00:15 -0800 (PST)
> From: Joe Fulton<piper_pa20@xxxxxxxxxxx>
> 
> I have a freshly machined crankshaft which has been sitting for
> several years.?
> The machine shop put 258 on the end but I think it was a 232 crank and
> I never
> bothered to correct their error.? Is there a casting number I can
> check or how
> can I, with little chance of error, measure the stroke?
> 
> I also have two 232 blocks, one freshly machined with an oversize bore
> (0.030 I
> think).?? If the crank above is a 258 crank I assume I can use either
> of those
> blocks (both are post-1972 motors).?? What rods will I need?? I have a
> 199 that
> I haven't torn down yet.? Will 199 rods work with the crank above???
> What
> pistons?
> 
> 
> 
> -- Frank Swygert
> Publisher, "American Motors Cars"
> Magazine (AMC)
> For all AMC enthusiasts
> http://www.amc-mag.com
> (free download available!)
> 
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